Borderou de evaluare (job #645350)

Compilare: main.cpp: In function 'int main()': main.cpp:13:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 13 | while(i < a.size() && j < b.size()){ | ~~^~~~~~~~~~ main.cpp:13:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 13 | while(i < a.size() && j < b.size()){ | ~~^~~~~~~~~~ main.cpp:22:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 22 | for(;i < a.size();i++){ | ~~^~~~~~~~~~ main.cpp:25:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 25 | for(;j < b.size();j++){ | ~~^~~~~~~~~~